makenzieyork04 makenzieyork04

06-04-2021
Mathematics

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If the sin 90º = 1, then which statement is true?

If the sin 90º 1 then which statement is true class=

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MatrixS1 MatrixS1

06-04-2021

Answer:

cos 0° = 1, because the cosine and sine are complements

Step-by-step explanation:

Here is the formula: sin 0 = cos (90°- 0) or cos 0 = sin (90°- 0)

So it would be: cos 0° = sin (90° - 0°) = sin 90° = 1

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